Some equations have been solved on the basis of a particular system. On the same basis, find the correct answer to the equation.
1 × 3 × 5= 531
2 × 7 ×9 =972
4 × 6 × 8=?

Pea-hen : Pea - cock :: Bitch : ? 

In each of the following questions, four numbers are given out of which three are like in some manner while one is different. Choose the one which is different from the rest three?

Study the diagram given below and answer each of the following questions.

How many persons takes all the three ?

CFL, EIK, GLJ, IOI, ? 

Select the correct option that will fill in the blank and complete the series.
LM, QR, VW___

After starting from his house. Naren walked a few meters towards the east. From there, he took a right turn and walked 80m. and then took a left turn and walked 20 m. Finally, he took a right turn again and walked 40 m to reach the hospital . If the air distance between his house and the hospital is 130 m. how far did Naren walk towards the east initially? 

Direction : In the following question, select the related word form the given alternatives.
Coconut : Shell :: Letter : ?